//常用的变量
$col-0:#000;
$col-3:#212528;
$col-6:#666;
$col-9:#999;
$col-c:#ccc;
$col-e:#eee;
$col-f:#fff;
$col-d8:#D8D8D8;
$col-f0:#f0f0f0;
$col-fa:#fafafa;
$col-f8:#f8f8f8;
$col-f6:#f6f6f6;
$col-ori:#ff5000;
$col-blue:#0084fd;
$col-red:#ff0000;
$col-yel:#f8f6b8;
$col-gre:#00c2c3;
$col-b3:#b3b3b5;
$col-fd:#fdfdfd;